Siemens Simatic S7-1500R - Interrupts, Diagnostics, Error Messages and System Events; LED Displays Depending on Operating States and System States

Interrupts, diagnostics, error messages and system events
4.1 Status and error display of the CPU
CPU 1513R-1 PN (6ES7513-1RL00-0AB0)
30 Equipment Manual, 05/2021, A5E42009333-AC
Meaning of the RUN/STOP, ERROR and MAINT LEDs
CPU 1513R-1 PN has three LEDs for displaying the current operating state and diagnostics
status.
Note
LED patterns of the redundant system S7 1500R
Note that it is not always possible to:
•
Determine the state of the CPU from the signal pattern
•
Determine the state of the other CPU from the signal pattern
The "Meaning" column only shows a possible typical cause.
To investigate the cause of the signal pa
ttern, use the diagnostic buffer and its display via:
•
STEP 7
•
HMI devices
•
Displays of the CPUs